Home / 13,575.96-20,327.90-9,605.61

Finding the Fourth Proportional to 13,575.96, 20,327.90 and 9,605.61

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Solution

The fourth proportional to 13,575.96, 20,327.90 and 9,605.61 is: 14,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.96 : 20,327.90 = 9,605.61 : x
  2. Step 2: Convert to fraction form
    13,575.96/20,327.90 = 9,605.61/x
  3. Step 3: Cross multiply
    13,575.96x = 20,327.90 × 9,605.61
  4. Step 4: Simplify right side
    13,575.96x = 195,261,831.49
  5. Step 5: Solve for x
    x = 195,261,831.49/13,575.96
  6. Step 6: Final answer
    x = 14,382.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.